Read more: SpaceX's private Fram2 astronauts splash down on Earth, ending historic polar orbit expedition The crew's ability to go from that zero gravity environment, back to normal gravity here ...

"With the same pioneering spirit as early polar explorers, we aim to bring back new data and knowledge to advance the long-term goals of space exploration," said mission commander Chun Wang.

For this all-citizen and private polar launch, it will be the first time that the quartet will be in space, and it will be the first time any human has done a 90-degree circularized orbit ...

Cell polarity is the asymmetric organisation of several cellular components, including its plasma membrane, cytoskeleton or organelles. This asymmetry can be used for specialised functions ...

Polar orbits are favoured for their ability to map the entire Earth's surface over time, making them critical for weather monitoring, climate research, and reconnaissance. Listen to Story Polar orbits ...

This is the official repository of Polar's software development kit. With this SDK you are able to develop your own Android and iOS applications for sensors and watches made by Polar.